Objectives: We sought to evaluate the impact of an emergency psychiatric assessment, treatment, and healing (EmPATH) unit on emergency department (ED) revenue, psychiatric boarding time, and length of stay (LOS).
Methods: We conducted a before-and-after economic evaluation of a single academic midwestern ED (60,000 annual visits) for all adult (≥18 years) patients before (December 2017-May 2018) and after (December 2018-May 2019) opening an EmPATH unit. These are outpatient hospital-based programs that provide emergent treatment and stabilization for mental health emergencies from ED patients. The Holt-Winters method was used to forecast pre-EmPATH expected ED levels of patients leaving without being seen, leaving against medical advice, eloping, or being transferred using 3 years of ED visits. ED revenues were calculated by finding the difference of pre-EmPATH expected and post-EmPATH observed values and multiplying by the revenue per visit. ED boarding time and LOS were obtained from the hospital's electronic medical record.
Results: There were 23,231 and 23,336 ED visits evaluated during the pre- and post-EmPATH unit periods. The ED generated an estimated additional $404,954 in the 6 months and $861,065 annually after the implementation of the EmPATH unit. The median (interquartile range [IQR]) psychiatric boarding time decreased from 212 (119-536) minutes to 152 (86-307) minutes (mean difference = 189 minutes, 95% confidence interval [CI] = 150 to 228 minutes) and median (IQR) LOS decreased from 351 (204-631) minutes to 334 (212-517) minutes (mean difference = 114 minutes, 95% CI = 87 to 143 minutes).
Conclusion: The EmPATH unit had a positive impact on ED revenue and decreased ED boarding time and LOS for psychiatric patients.
© 2020 by the Society for Academic Emergency Medicine.